Ensure group is saved before assigning users

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

vulnerabilities/admin.py

@@ -129,6 +129,7 @@ def __init__(self, *args, **kwargs):
 
     def save(self, commit=True):
         group = super().save(commit=commit)
+        group.save()
         self.save_m2m()
         group.user_set.set(self.cleaned_data["users"])
         return group